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The D.R.I. Tech Support Center


Welcome to the D.R.I. Tech Support Center. Here you will find Frequently Asked Questions, Technical Documents and Instruction Sheets concerning our parts, installation of our parts and ATV help in general. If you are an ATV enthusiast that wishes to keep up to date on the latest and greatest in ATV maintenance and performance modification then this is the place to be. Check back often for regular updates.

FREQUENTLY ASKED QUESTIONS (FAQs):

Sand Dunes Tech Info FAQ
Chassis FAQ
4-Stroke Engine FAQ
2-Stroke Engine FAQ

TECHNICAL DOCUMENTS:
Categories: 2-Stroke   4-Stroke   General   

General Maintenance Reference Guide Honda TRX450R-ER
Fat Boy 4 Muffler Repacking Tips
Honda TRX 250 National & Eliminator Assembly Kit Tips
Suzuki LT 500 National & Eliminator Kit Assembly Tips
Yamaha YFZ 450-470 National Kit Assembly Notes
Suzuki LT R450 - 475 National Kit Assembly Notes
Yamaha YFZ 450 Pin Oiler Modification Installation Tips
2-Stroke Engine Maintenance Guidelines
Vortex Plug and Plug Cap Recommendations
4-Stroke Leak Down Testing
DR Reed Pedal Installation for Stock Reed Cages
Intake Manifold Modification for Pyramid Reed Valve
Yamaha Raptor 660-740 National Kit Assembly Notes
Honda 400EX - 440EX National Kit Assembly Notes
Yamaha Banshee National Kit Assembly Notes
Suzuki LTZ-Kawasaki KFX 435-470 National Kit Assembly Notes
Honda TRX 450-470 National Kit Assembly Notes
4-Stroke Piston Ring Assembly Tips
2004 Yamaha YFZ 450 Aluminum Head Plug
Center Case Maching for PC 4000
PC 4000 Installation Instructions
4-Stroke Top End Performance Upgrade Components
Compression Testing
General Notes PC 2000 Power Valve Cylinder
2-Stroke Pressure Testing

INSTRUCTION SHEETS:
Categories: Brakes and Brakelines   Carburetors   Chain Guards   Fat Boy 4 4-Stroke Exhausts   Powerheads   PTR 2-Stroke Pipes and Silencers   Pyramid Reed Valves   Vortex Ignitions   

Vortex X10 CDI-Honda TRX 250R 88-89
Vortex X10 CDI-Yamaha Raptor 660 2001
Vortex EFI Interceptor-Yamaha Raptor 700
Vortex X10 CDI-Yamaha Raptor 660 2002-2005
Fat Boy 4 Complete Exhaust System-Suzuki LT-R450
Fat Boy 4 Complete Exhaust System-Yamaha Raptor 350
Fat Boy 4 Complete Exhaust System-Polaris Outlaw 525
Fat Boy 4 - Muffler Repacking Installation Tips
Vortex EFI Interceptor-Suzuki LT R450
Fat Boy 4 Complete Exhaust System-Yamaha 700 Raptor
Fat Boy 4 Complete Exhaust System-2006-2008 Honda TRX 450
Honda ATC 250R Pipe Install Instructions
Intake Manifold Modification for Pyramid Reed Valves
DRI Pyramid Reed Valve Installation Instructions (Yamaha Banshee)
DRI Pyramid Reed Valve Installation Instructions
Keihin Carburetor Installation for Yamaha Banshee
Fat Boy 4 Complete Exhaust System - Polaris Predator 500
Honda ATC-TRX 250R Fat Boy 2 Mounting Instructions
Yamaha Blaster PTR Pipe Install Instructions
Suzuki LT 250 PTR Pipe Install Instructions
Suzuki LT 500 PTR Pipe Install Instructions
Honda TRX 250R Midrange Race and Type 6 Install Instructions
Vortex X10 CDI - Polaris Predator 500
Vortex X10 CDI - Yamaha Banshee
Vortex X10 CDI - Bombardier DS 650